pluotsorbet/native.js

936 строки
30 KiB
JavaScript

/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set shiftwidth=4 tabstop=4 autoindent cindent expandtab: */
'use strict';
var Native = {};
Native.create = createAlternateImpl.bind(null, Native);
Native.create("java/lang/System.arraycopy.(Ljava/lang/Object;ILjava/lang/Object;II)V", function(src, srcOffset, dst, dstOffset, length) {
if (!src || !dst)
throw new JavaException("java/lang/NullPointerException", "Cannot copy to/from a null array.");
var srcKlass = src.klass;
var dstKlass = dst.klass;
if (!srcKlass.isArrayKlass || !dstKlass.isArrayKlass)
throw new JavaException("java/lang/ArrayStoreException", "Can only copy to/from array types.");
if (srcOffset < 0 || (srcOffset+length) > src.length || dstOffset < 0 || (dstOffset+length) > dst.length || length < 0)
throw new JavaException("java/lang/ArrayIndexOutOfBoundsException", "Invalid index.");
var srcIsPrimitive = !(src instanceof Array);
var dstIsPrimitive = !(dst instanceof Array);
if ((srcIsPrimitive && dstIsPrimitive && srcKlass !== dstKlass) ||
(srcIsPrimitive && !dstIsPrimitive) ||
(!srcIsPrimitive && dstIsPrimitive)) {
throw new JavaException("java/lang/ArrayStoreException",
"Incompatible component types: " + srcKlass + " -> " + dstKlass);
}
if (!dstIsPrimitive) {
if (srcKlass != dstKlass && !J2ME.isAssignableTo(srcKlass.elementKlass, dstKlass.elementKlass)) {
var copy = function(to, from) {
var obj = src[from];
if (obj && !J2ME.isAssignableTo(obj.klass, dstKlass.elementKlass)) {
throw new JavaException("java/lang/ArrayStoreException", "Incompatible component types.");
}
dst[to] = obj;
};
if (dst !== src || dstOffset < srcOffset) {
for (var n = 0; n < length; ++n)
copy(dstOffset++, srcOffset++);
} else {
dstOffset += length;
srcOffset += length;
for (var n = 0; n < length; ++n)
copy(--dstOffset, --srcOffset);
}
return;
}
}
if (dst !== src || dstOffset < srcOffset) {
for (var n = 0; n < length; ++n)
dst[dstOffset++] = src[srcOffset++];
} else {
dstOffset += length;
srcOffset += length;
for (var n = 0; n < length; ++n)
dst[--dstOffset] = src[--srcOffset];
}
});
Native.create("java/lang/System.getProperty0.(Ljava/lang/String;)Ljava/lang/String;", function(key) {
var value;
switch (util.fromJavaString(key)) {
case "microedition.encoding":
value = "UTF-8";
break;
case "microedition.locale":
value = navigator.language;
break;
case "microedition.platform":
value = urlParams.platform ? urlParams.platform : "NOKIA503/JAVA_RUNTIME_VERSION=NOKIA_ASHA_1_2";
break;
case "microedition.platformimpl":
value = null;
break;
case "microedition.profiles":
value = "MIDP-2.0"
break;
case "microedition.pim.version":
value = "1.0";
break;
case "microedition.amms.version":
value = "1.1";
break;
case "microedition.media.version":
value = '1.2';
break;
case "mmapi-configuration":
value = null;
break;
case "fileconn.dir.memorycard":
value = "file:///";
break;
case "fileconn.dir.private":
value = "file:///";
break;
case "fileconn.dir.applications.bookmarks":
value = "file:///";
break;
case "fileconn.dir.received":
value = "file:///";
break;
case "fileconn.dir.photos":
value = "file:///Photos/";
break;
case "fileconn.dir.roots.names":
// The names here should be localized.
value = "Memory card;Phone memory;Private"
break;
case "fileconn.dir.roots.external":
value = "file:///MemoryCard;file:///;file:///";
break;
case "fileconn.dir.photos.name":
value = "Photos";
break;
case "fileconn.dir.videos.name":
value = "Videos";
break;
case "fileconn.dir.recordings.name":
value = "Recordings";
break;
case "file.separator":
value = "/";
break;
case "com.sun.cldc.util.j2me.TimeZoneImpl.timezone":
// Date.toString() returns something like the following:
// "Wed Sep 17 2014 12:11:23 GMT-0700 (PDT)"
//
// Per http://www.spectrum3847.org/frc2013api/com/sun/cldc/util/j2me/TimeZoneImpl.html,
// timezones can be of the format GMT+0600, which is what this
// regex currently matches. (Those actually in GMT would not
// match the regex, causing the default "GMT" to be returned.)
// If we find this to be a problem, we could alternately return the
// zone name as provided in parenthesis, but that seems locale-specific.
var match = /GMT[+-]\d+/.exec(new Date().toString());
value = (match && match[0]) || "GMT";
break;
case "javax.microedition.io.Connector.protocolpath":
value = "com.sun.midp.io";
break;
case "javax.microedition.io.Connector.protocolpath.fallback":
value = "com.sun.cldc.io";
break;
case "com.nokia.keyboard.type":
value = "None";
break;
case "com.nokia.multisim.slots":
console.warn("Property 'com.nokia.multisim.slots' is a stub");
value = "1";
break;
case "com.nokia.multisim.imsi.sim2":
console.warn("Property 'com.nokia.multisim.imsi.sim2' is a stub");
value = null;
break;
case "com.nokia.mid.batterylevel":
// http://developer.nokia.com/community/wiki/Checking_battery_level_in_Java_ME
value = Math.floor(navigator.battery.level * 100).toString();
break;
case "com.nokia.mid.imsi":
console.warn("Property 'com.nokia.mid.imsi' is a stub");
value = "000000000000000";
break;
case "com.nokia.mid.ui.version":
console.warn("Property 'com.nokia.mid.ui.version' is a stub");
value = "1.6";
break;
case "com.nokia.mid.mnc":
// The concatenation of the MCC and MNC for the ICC (i.e. SIM card).
value = util.pad(mobileInfo.icc.mcc, 3) + util.pad(mobileInfo.icc.mnc, 3);
break;
case "com.nokia.mid.networkID":
// The concatenation of MCC and MNC for the network.
value = util.pad(mobileInfo.network.mcc, 3) + util.pad(mobileInfo.network.mnc, 3);
break;
case "com.nokia.mid.imei":
console.warn("Property 'com.nokia.mid.imei' is a stub");
value = "";
break;
case "com.nokia.mid.ui.customfontsize":
console.warn("Property 'com.nokia.mid.ui.customfontsize' is a stub");
value = "false";
break;
case "classpathext":
value = null;
break;
case "supports.audio.capture":
value = "true";
break;
case "supports.recording":
value = "true";
break;
case "audio.encodings":
value = "audio/ogg";
break;
case "video.snapshot.encodings":
value = "encoding=jpeg";
break;
default:
console.warn("UNKNOWN PROPERTY (java/lang/System): " + util.fromJavaString(key));
value = null;
break;
}
return value;
});
Native.create("java/lang/System.currentTimeMillis.()J", function() {
return Long.fromNumber(Date.now());
});
Native.create("com/sun/cldchi/jvm/JVM.unchecked_char_arraycopy.([CI[CII)V", function(src, srcOffset, dst, dstOffset, length) {
dst.set(src.subarray(srcOffset, srcOffset + length), dstOffset);
});
Native.create("com/sun/cldchi/jvm/JVM.unchecked_int_arraycopy.([II[III)V", function(src, srcOffset, dst, dstOffset, length) {
dst.set(src.subarray(srcOffset, srcOffset + length), dstOffset);
});
Native.create("com/sun/cldchi/jvm/JVM.unchecked_obj_arraycopy.([Ljava/lang/Object;I[Ljava/lang/Object;II)V", function(src, srcOffset, dst, dstOffset, length) {
if (dst !== src || dstOffset < srcOffset) {
for (var n = 0; n < length; ++n)
dst[dstOffset++] = src[srcOffset++];
} else {
dstOffset += length;
srcOffset += length;
for (var n = 0; n < length; ++n)
dst[--dstOffset] = src[--srcOffset];
}
});
Native.create("com/sun/cldchi/jvm/JVM.monotonicTimeMillis.()J", function() {
return Long.fromNumber(performance.now());
});
Native.create("java/lang/Object.getClass.()Ljava/lang/Class;", function(ctx) {
return J2ME.runtimeKlass(ctx.runtime, this.klass).classObject;
});
Native.create("java/lang/Object.hashCode.()I", function() {
var hashCode = this.hashCode;
while (!hashCode)
hashCode = this.hashCode = util.id();
return hashCode;
});
Native.create("java/lang/Object.wait.(J)V", function(timeout, _, ctx) {
ctx.wait(this, timeout.toNumber());
});
Native.create("java/lang/Object.notify.()V", function(ctx) {
ctx.notify(this);
});
Native.create("java/lang/Object.notifyAll.()V", function(ctx) {
ctx.notify(this, true);
});
Native.create("java/lang/Class.invoke_clinit.()V", function(ctx) {
var classInfo = this.classInfo;
var className = classInfo.className;
var runtime = ctx.runtime;
if (runtime.initialized[className] || runtime.pending[className])
return;
runtime.pending[className] = true;
if (className === "com/sun/cldc/isolate/Isolate") {
// The very first isolate is granted access to the isolate API.
// ctx.runtime.setStatic(CLASSES.getField(classInfo, "S._API_access_ok.I"), 1);
var isolate = classInfo.getClassObject(ctx).classObject;
CLASSES.getField(classInfo, "S._API_access_ok.I").set(isolate, 1);
}
var clinit = CLASSES.getMethod(classInfo, "S.<clinit>.()V");
var frames = [];
if (clinit) {
frames.push(new Frame(clinit, [], 0));
}
if (classInfo.superClass) {
var classInitFrame = ctx.getClassInitFrame(classInfo.superClass);
if (classInitFrame) {
frames.push(classInitFrame);
}
}
if (frames.length) {
ctx.executeNewFrameSet(frames);
}
});
Native.create("java/lang/Class.init9.()V", function(ctx) {
var classInfo = this.classInfo;
var className = classInfo.className;
var runtime = ctx.runtime;
if (runtime.initialized[className])
return;
runtime.pending[className] = false;
runtime.initialized[className] = true;
});
Native.create("java/lang/Class.getName.()Ljava/lang/String;", function() {
return this.runtimeKlass.templateKlass.classInfo.className.replace(/\//g, ".");
});
Native.create("java/lang/Class.forName.(Ljava/lang/String;)Ljava/lang/Class;", function(name, ctx) {
try {
if (!name)
throw new J2ME.ClassNotFoundException();
var className = util.fromJavaString(name).replace(/\./g, "/");
var classInfo = null;
classInfo = CLASSES.getClass(className);
} catch (e) {
if (e instanceof (J2ME.ClassNotFoundException))
throw new JavaException("java/lang/ClassNotFoundException", "'" + className + "' not found.");
throw e;
}
return classInfo.getClassObject(ctx);
});
Native.create("java/lang/Class.newInstance.()Ljava/lang/Object;", function(ctx) {
var className = this.runtimeKlass.templateKlass.classInfo.className;
var syntheticMethod = new MethodInfo({
name: "ClassNewInstanceSynthetic",
signature: "()Ljava/lang/Object;",
isStatic: true,
classInfo: {
className: className,
vmc: {},
vfc: {},
constant_pool: [
null,
{ tag: TAGS.CONSTANT_Class, name_index: 2 },
{ bytes: className },
{ tag: TAGS.CONSTANT_Methodref, class_index: 1, name_and_type_index: 4 },
{ name_index: 5, signature_index: 6 },
{ bytes: "<init>" },
{ bytes: "()V" },
]
},
code: new Uint8Array([
0xbb, 0x00, 0x01, // new <idx=1>
0x59, // dup
0xb7, 0x00, 0x03, // invokespecial <idx=3>
0xb0 // areturn
]),
});
return ctx.executeNewFrameSet([new Frame(syntheticMethod, [], 0)]);
});
Native.create("java/lang/Class.isInterface.()Z", function() {
return ACCESS_FLAGS.isInterface(this.runtimeKlass.templateKlass.classInfo.access_flags);
});
Native.create("java/lang/Class.isArray.()Z", function() {
return !!this.runtimeKlass.templateKlass.classInfo.isArrayClass;
});
Native.create("java/lang/Class.isAssignableFrom.(Ljava/lang/Class;)Z", function(fromClass) {
if (!fromClass)
throw new JavaException("java/lang/NullPointerException");
return J2ME.isAssignableTo(fromClass.runtimeKlass.templateKlass, this.runtimeKlass.templateKlass);
});
Native.create("java/lang/Class.isInstance.(Ljava/lang/Object;)Z", function(obj) {
return obj && J2ME.isAssignableTo(obj.klass, this.runtimeKlass.templateKlass);
});
Native.create("java/lang/Float.floatToIntBits.(F)I", (function() {
var fa = new Float32Array(1);
var ia = new Int32Array(fa.buffer);
return function(val) {
fa[0] = val;
return ia[0];
}
})());
Native.create("java/lang/Double.doubleToLongBits.(D)J", (function() {
var da = new Float64Array(1);
var ia = new Int32Array(da.buffer);
return function(val, _) {
da[0] = val;
return Long.fromBits(ia[0], ia[1]);
}
})());
Native.create("java/lang/Float.intBitsToFloat.(I)F", (function() {
var fa = new Float32Array(1);
var ia = new Int32Array(fa.buffer);
return function(val) {
ia[0] = val;
return fa[0];
}
})());
Native.create("java/lang/Double.longBitsToDouble.(J)D", (function() {
var da = new Float64Array(1);
var ia = new Int32Array(da.buffer);
return function(l, _) {
ia[0] = l.low_;
ia[1] = l.high_;
return da[0];
}
})());
Native.create("java/lang/Throwable.fillInStackTrace.()V", function(ctx) {
this.stackTrace = [];
ctx.frames.forEach(function(frame) {
if (!frame.methodInfo)
return;
var methodInfo = frame.methodInfo;
var methodName = methodInfo.name;
if (!methodName)
return;
var classInfo = methodInfo.classInfo;
var className = classInfo.className;
this.stackTrace.unshift({ className: className, methodName: methodName, offset: frame.bci });
}.bind(this));
});
Native.create("java/lang/Throwable.obtainBackTrace.()Ljava/lang/Object;", function() {
var result = null;
if (this.stackTrace) {
var depth = this.stackTrace.length;
var classNames = J2ME.newObjectArray(depth);
var methodNames = J2ME.newObjectArray(depth);
var offsets = util.newPrimitiveArray("I", depth);
this.stackTrace.forEach(function(e, n) {
classNames[n] = util.newString(e.className);
methodNames[n] = util.newString(e.methodName);
offsets[n] = e.offset;
});
result = J2ME.newObjectArray(3);
result[0] = classNames;
result[1] = methodNames;
result[2] = offsets;
}
return result;
});
Native.create("java/lang/Runtime.freeMemory.()J", function() {
return Long.fromInt(0x800000);
});
Native.create("java/lang/Runtime.totalMemory.()J", function() {
return Long.fromInt(0x1000000);
});
Native.create("java/lang/Runtime.gc.()V", function() {
});
Native.create("java/lang/Math.floor.(D)D", function(val, _) {
return Math.floor(val);
});
Native.create("java/lang/Math.asin.(D)D", function(val, _) {
return Math.asin(val);
});
Native.create("java/lang/Math.acos.(D)D", function(val, _) {
return Math.acos(val);
});
Native.create("java/lang/Math.atan.(D)D", function(val, _) {
return Math.atan(val);
});
Native.create("java/lang/Math.atan2.(DD)D", function(x, _1, y, _2) {
return Math.atan2(x, y);
});
Native.create("java/lang/Math.sin.(D)D", function(val, _) {
return Math.sin(val);
});
Native.create("java/lang/Math.cos.(D)D", function(val, _) {
return Math.cos(val);
});
Native.create("java/lang/Math.tan.(D)D", function(val, _) {
return Math.tan(val);
});
Native.create("java/lang/Math.sqrt.(D)D", function(val, _) {
return Math.sqrt(val);
});
Native.create("java/lang/Math.ceil.(D)D", function(val, _) {
return Math.ceil(val);
});
Native.create("java/lang/Math.floor.(D)D", function(val, _) {
return Math.floor(val);
});
Native.create("java/lang/Thread.currentThread.()Ljava/lang/Thread;", function(ctx) {
return ctx.thread;
});
Native.create("java/lang/Thread.setPriority0.(II)V", function(oldPriority, newPriority) {
});
Native.create("java/lang/Thread.start0.()V", function(ctx) {
// The main thread starts during bootstrap and don't allow calling start()
// on already running threads.
if (this === ctx.runtime.mainThread || this.alive)
throw new JavaException("java/lang/IllegalThreadStateException");
this.alive = true;
this.pid = util.id();
var run = CLASSES.getMethod(this.klass.classInfo, "I.run.()V");
// Create a context for the thread and start it.
var ctx = new Context(ctx.runtime);
ctx.thread = this;
var syntheticMethod = new MethodInfo({
name: "ThreadStart0Synthetic",
signature: "()V",
classInfo: {
className: this.klass.classInfo.className,
vmc: {},
vfc: {},
constant_pool: [
null,
{ tag: TAGS.CONSTANT_Methodref, class_index: 2, name_and_type_index: 4 },
{ tag: TAGS.CONSTANT_Class, name_index: 3 },
{ bytes: "java/lang/Thread" },
{ tag: TAGS.CONSTANT_Methodref, name_index: 5, signature_index: 6 },
{ bytes: "run" },
{ bytes: "()V" },
{ tag: TAGS.CONSTANT_Methodref, class_index: 2, name_and_type_index: 8 },
{ name_index: 9, signature_index: 10 },
{ bytes: "internalExit" },
{ bytes: "()V" },
],
},
code: new Uint8Array([
0x2a, // aload_0
0x59, // dup
0xb6, 0x00, 0x01, // invokespecial <idx=1>
0xb7, 0x00, 0x07, // invokespecial <idx=7>
0xb1, // return
])
});
ctx.frames.push(new Frame(syntheticMethod, [ this ], 0));
ctx.resume();
});
Native.create("java/lang/Thread.internalExit.()V", function() {
this.alive = false;
});
Native.create("java/lang/Thread.isAlive.()Z", function() {
return !!this.alive;
});
Native.create("java/lang/Thread.sleep.(J)V", function(delay, _) {
return new Promise(function(resolve, reject) {
window.setTimeout(resolve, delay.toNumber());
})
}, true);
Native.create("java/lang/Thread.yield.()V", function() {
throw VM.Yield;
});
Native.create("java/lang/Thread.activeCount.()I", function(ctx) {
return ctx.runtime.threadCount;
});
Native.create("com/sun/cldchi/io/ConsoleOutputStream.write.(I)V", function(ch) {
console.print(ch);
});
Native.create("com/sun/cldc/io/ResourceInputStream.open.(Ljava/lang/String;)Ljava/lang/Object;", function(name) {
var fileName = util.fromJavaString(name);
var data = CLASSES.loadFile(fileName);
var obj = null;
if (data) {
obj = util.newObject(CLASSES.java_lang_Object);
obj.data = new Uint8Array(data);
obj.pos = 0;
}
return obj;
});
Native.create("com/sun/cldc/io/ResourceInputStream.clone.(Ljava/lang/Object;)Ljava/lang/Object;", function(source) {
var obj = util.newObject(CLASSES.java_lang_Object);
obj.data = new Uint8Array(source.data);
obj.pos = source.pos;
return obj;
});
Override.create("com/sun/cldc/io/ResourceInputStream.available.()I", function() {
var handle = this.klass.classInfo.getField("I.fileDecoder.Ljava/lang/Object;").get(this);
if (!handle) {
throw new JavaException("java/io/IOException");
}
return handle.data.length - handle.pos;
});
Override.create("com/sun/cldc/io/ResourceInputStream.read.()I", function() {
var handle = this.klass.classInfo.getField("I.fileDecoder.Ljava/lang/Object;").get(this);
if (!handle) {
throw new JavaException("java/io/IOException");
}
return (handle.data.length - handle.pos > 0) ? handle.data[handle.pos++] : -1;
});
Native.create("com/sun/cldc/io/ResourceInputStream.readBytes.(Ljava/lang/Object;[BII)I", function(handle, b, off, len) {
var data = handle.data;
var remaining = data.length - handle.pos;
if (len > remaining)
len = remaining;
for (var n = 0; n < len; ++n)
b[off+n] = data[handle.pos+n];
handle.pos += len;
return (len > 0) ? len : -1;
});
Native.create("com/sun/cldc/i18n/uclc/DefaultCaseConverter.toLowerCase.(C)C", function(char) {
return String.fromCharCode(char).toLowerCase().charCodeAt(0);
});
Native.create("com/sun/cldc/i18n/uclc/DefaultCaseConverter.toUpperCase.(C)C", function(char) {
return String.fromCharCode(char).toUpperCase().charCodeAt(0);
});
Native.create("java/lang/ref/WeakReference.initializeWeakReference.(Ljava/lang/Object;)V", function(target) {
this.target = target;
});
Native.create("java/lang/ref/WeakReference.get.()Ljava/lang/Object;", function() {
return this.target ? this.target : null;
});
Native.create("java/lang/ref/WeakReference.clear.()V", function() {
this.target = null;
});
Native.create("com/sun/cldc/isolate/Isolate.registerNewIsolate.()V", function() {
this.id = util.id();
});
Native.create("com/sun/cldc/isolate/Isolate.getStatus.()I", function() {
return this.runtime ? this.runtime.status : J2ME.RuntimeStatus.New;
});
Native.create("com/sun/cldc/isolate/Isolate.nativeStart.()V", function(ctx) {
ctx.runtime.jvm.startIsolate(this);
});
Native.create("com/sun/cldc/isolate/Isolate.waitStatus.(I)V", function(status) {
return new Promise((function(resolve, reject) {
var runtime = this.runtime;
if (runtime.status >= status) {
resolve();
return;
}
function waitForStatus() {
if (runtime.status >= status) {
resolve();
return;
}
runtime.waitStatus(waitForStatus);
}
waitForStatus();
}).bind(this));
}, true);
Native.create("com/sun/cldc/isolate/Isolate.currentIsolate0.()Lcom/sun/cldc/isolate/Isolate;", function(ctx) {
return ctx.runtime.isolate;
});
Native.create("com/sun/cldc/isolate/Isolate.getIsolates0.()[Lcom/sun/cldc/isolate/Isolate;", function() {
var isolates = J2ME.newObjectArray(Runtime.all.keys().length);
var n = 0;
Runtime.all.forEach(function (runtime) {
isolates[n++] = runtime.isolate;
});
return isolates;
});
Native.create("com/sun/cldc/isolate/Isolate.id0.()I", function() {
return this.id;
});
Native.create("com/sun/cldc/isolate/Isolate.setPriority0.(I)V", function(newPriority) {
});
var links = {};
var waitingForLinks = {};
Native.create("com/sun/midp/links/LinkPortal.getLinkCount0.()I", function(ctx) {
return new Promise(function(resolve, reject) {
var isolateId = ctx.runtime.isolate.id;
if (!links[isolateId]) {
waitingForLinks[isolateId] = function() {
resolve(links[isolateId].length);
}
return;
}
resolve(links[isolateId].length);
});
}, true);
Native.create("com/sun/midp/links/LinkPortal.getLinks0.([Lcom/sun/midp/links/Link;)V", function(linkArray, ctx) {
var isolateId = ctx.runtime.isolate.id;
for (var i = 0; i < links[isolateId].length; i++) {
var nativePointer = links[isolateId][i].$nativePointer;
linkArray[i].$nativePointer = nativePointer;
linkArray[i].sender = links[isolateId][i].sender;
linkArray[i].receiver = links[isolateId][i].receiver;
}
});
Native.create("com/sun/midp/links/LinkPortal.setLinks0.(I[Lcom/sun/midp/links/Link;)V", function(id, linkArray) {
links[id] = linkArray;
if (waitingForLinks[id]) {
waitingForLinks[id]();
}
});
Native.create("com/sun/midp/links/Link.init0.(II)V", function(sender, receiver) {
this.sender = sender;
this.receiver = receiver;
this.klass.classInfo.getField("I.nativePointer.I").set(this, util.id());
});
Native.create("com/sun/midp/links/Link.receive0.(Lcom/sun/midp/links/LinkMessage;Lcom/sun/midp/links/Link;)V", function(linkMessage, link) {
// TODO: Implement when something hits send0
console.warn("Called com/sun/midp/links/Link.receive0.(Lcom/sun/midp/links/LinkMessage;Lcom/sun/midp/links/Link;)V");
return new Promise(function(){});
}, true);
Native.create("com/sun/cldc/i18n/j2me/UTF_8_Reader.init.([B)V", function(data) {
this.decoded = new TextDecoder("UTF-8").decode(data);
});
Native.create("com/sun/cldc/i18n/j2me/UTF_8_Reader.readNative.([CII)I", function(cbuf, off, len) {
if (this.decoded.length === 0) {
return -1;
}
for (var i = 0; i < len; i++) {
cbuf[i + off] = this.decoded.charCodeAt(i);
}
this.decoded = this.decoded.substring(len);
return len;
});
Native.create("java/io/DataInputStream.bytesToUTF.([B)Ljava/lang/String;", function(bytearr) {
var array = new Uint8Array(bytearr.buffer);
try {
return util.decodeUtf8Array(array);
} catch(e) {
try {
return util.javaUTF8Decode(array);
} catch (e) {
throw new JavaException("java/io/UTFDataFormatException");
}
}
});
Native.create("java/io/DataOutputStream.UTFToBytes.(Ljava/lang/String;)[B", function(jStr) {
var str = util.fromJavaString(jStr);
var utflen = 0;
for (var i = 0; i < str.length; i++) {
var c = str.charCodeAt(i);
if ((c >= 0x0001) && (c <= 0x007F)) {
utflen++;
} else if (c > 0x07FF) {
utflen += 3;
} else {
utflen += 2;
}
}
if (utflen > 65535) {
throw new JavaException("java/io/UTFDataFormatException");
}
var count = 0;
var bytearr = util.newPrimitiveArray("B", utflen + 2);
bytearr[count++] = (utflen >>> 8) & 0xFF;
bytearr[count++] = (utflen >>> 0) & 0xFF;
for (var i = 0; i < str.length; i++) {
var c = str.charCodeAt(i);
if ((c >= 0x0001) && (c <= 0x007F)) {
bytearr[count++] = c;
} else if (c > 0x07FF) {
bytearr[count++] = 0xE0 | ((c >> 12) & 0x0F);
bytearr[count++] = 0x80 | ((c >> 6) & 0x3F);
bytearr[count++] = 0x80 | ((c >> 0) & 0x3F);
} else {
bytearr[count++] = 0xC0 | ((c >> 6) & 0x1F);
bytearr[count++] = 0x80 | ((c >> 0) & 0x3F);
}
}
return bytearr;
});
Native.create("com/sun/cldc/i18n/j2me/UTF_8_Writer.encodeUTF8.([CII)[B", function(cbuf, off, len) {
var outputArray = [];
var pendingSurrogate = this.klass.classInfo.getField("I.pendingSurrogate.I").get(this);
var inputChar = 0;
var outputSize = 0;
var count = 0;
while (count < len) {
var outputByte = new Uint8Array(4); // Never more than 4 encoded bytes
inputChar = 0xffff & cbuf[off + count];
if (0 != pendingSurrogate) {
if (0xdc00 <= inputChar && inputChar <= 0xdfff) {
//000u uuuu xxxx xxxx xxxx xxxx
//1101 10ww wwxx xxxx 1101 11xx xxxx xxxx
var highHalf = (pendingSurrogate & 0x03ff) + 0x0040;
var lowHalf = inputChar & 0x03ff;
inputChar = (highHalf << 10) | lowHalf;
} else {
// write replacement value instead of unpaired surrogate
outputByte[0] = replacementValue;
outputSize = 1;
outputArray.push(outputByte.subarray(0, outputSize));
}
pendingSurrogate = 0;
}
if (inputChar < 0x80) {
outputByte[0] = inputChar;
outputSize = 1;
} else if (inputChar < 0x800) {
outputByte[0] = 0xc0 | ((inputChar >> 6) & 0x1f);
outputByte[1] = 0x80 | (inputChar & 0x3f);
outputSize = 2;
} else if (0xd800 <= inputChar && inputChar <= 0xdbff) {
pendingSurrogate = inputChar;
outputSize = 0;
} else if (0xdc00 <= inputChar && inputChar <= 0xdfff) {
// unpaired surrogate
outputByte[0] = replacementValue;
outputSize = 1;
} else if (inputChar < 0x10000) {
outputByte[0] = 0xe0 | ((inputChar >> 12) & 0x0f);
outputByte[1] = 0x80 | ((inputChar >> 6) & 0x3f);
outputByte[2] = 0x80 | (inputChar & 0x3f);
outputSize = 3;
} else {
/* 21 bits: 1111 0xxx 10xx xxxx 10xx xxxx 10xx xxxx
* a aabb bbbb cccc ccdd dddd
*/
outputByte[0] = 0xf0 | ((inputChar >> 18) & 0x07);
outputByte[1] = 0x80 | ((inputChar >> 12) & 0x3f);
outputByte[2] = 0x80 | ((inputChar >> 6) & 0x3f);
outputByte[3] = 0x80 | (inputChar & 0x3f);
outputSize = 4;
}
outputArray.push(outputByte.subarray(0, outputSize));
count++;
}
this.klass.classInfo.getField("I.pendingSurrogate.I").set(this, pendingSurrogate);
var totalSize = outputArray.reduce(function(total, cur) {
return total + cur.length;
}, 0);
var res = J2ME.newByteArray(totalSize);
outputArray.reduce(function(total, cur) {
res.set(cur, total);
return total + cur.length;
}, 0);
return res;
});
Native.create("com/sun/cldc/i18n/j2me/UTF_8_Writer.sizeOf.([CII)I", function(cbuf, off, len) {
var inputChar = 0;
var outputSize = 0;
var outputCount = 0;
var count = 0;
var localPendingSurrogate = this.klass.classInfo.getField("I.pendingSurrogate.I").get(this);
while (count < length) {
inputChar = 0xffff & cbuf[offset + count];
if (0 != localPendingSurrogate) {
if (0xdc00 <= inputChar && inputChar <= 0xdfff) {
//000u uuuu xxxx xxxx xxxx xxxx
//1101 10ww wwxx xxxx 1101 11xx xxxx xxxx
var highHalf = (localPendingSurrogate & 0x03ff) + 0x0040;
var lowHalf = inputChar & 0x03ff;
inputChar = (highHalf << 10) | lowHalf;
} else {
// going to write replacement value instead of unpaired surrogate
outputSize = 1;
outputCount += outputSize;
}
localPendingSurrogate = 0;
}
if (inputChar < 0x80) {
outputSize = 1;
} else if (inputChar < 0x800) {
outputSize = 2;
} else if (0xd800 <= inputChar && inputChar <= 0xdbff) {
localPendingSurrogate = inputChar;
outputSize = 0;
} else if (0xdc00 <= inputChar && inputChar <= 0xdfff) {
// unpaired surrogate
// going to output replacementValue;
outputSize = 1;
} else if (inputChar < 0x10000) {
outputSize = 3;
} else {
/* 21 bits: 1111 0xxx 10xx xxxx 10xx xxxx 10xx xxxx
* a aabb bbbb cccc ccdd dddd
*/
outputSize = 4;
}
outputCount += outputSize;
count++;
}
return outputCount;
});
Native.create("com/sun/j2me/content/AppProxy.midletIsAdded.(ILjava/lang/String;)V", function(suiteId, className) {
// ???
});